test\features: [ERROR]( ant.window|world )duplicate group

[ylme]

• 运行测试 test\features bin\msvc\debug\lua.exe test\features\main.lua 这时下拉菜单默认选中的是 shadow
• 将下拉菜单切换到 <all>
• 将下拉菜单切回 shadow
• 再将下拉菜单切到 <all>
• 出现报错

[ERROR]( ant.window|world )duplicate group
stack traceback:
        ( service:9 )
        d:/work/engine/ant/pkg/ant.group/group.lua:15: in field 'register'
        .../test/features/pkg/ant.test.features/test/group_test.lua:22: in local 'f'
        d:/work/engine/ant/pkg/ant.ecs/main.lua:389: in function <d:/work/engine/ant/pkg/ant.ecs/main.lua:384>
        d:/work/engine/ant/pkg/ant.ecs/main.lua:573: in upvalue 'system_changed'
        d:/work/engine/ant/pkg/ant.ecs/main.lua:584: in method 'pipeline_update'
        d:/work/engine/ant/pkg/ant.window/service/world.lua:95: in upvalue 'f'